Enhanced USB Host Shield for Arduino UNO MEGA 2560 - ADK & USB Hub Functionality

Multi-Function Prototyping / Expansion Shield For Arduino UNO LEONARDO MEGA2560

Universal USB Host Shield for Arduino - Supports Google Android ADK Devices

MAX3421 USB Host Shield 20 for ADK Compatible for Android ADK DIY

2.0 ADK Mini USB Host Shield SLR Development Tool - Android ADK for UNO MEGA

Mega 2560 + WiFi R3 ATmega2560 + ESP8266 USB-TTL for Arduino Mega NodeMCU -UK

Arduino UNO & Mega 2560 Project Stand with Breadboard and LCD Mount Holder

Mega2560 R3 ATMEGA 2560 CH340 Atmega2560-16AU Board For Arduino